/
Colorbook
Sign in Sign up

Color Information

Cyan

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#21B2B1
RGB Values
33, 178, 177
HSL Values
180°, 69%, 41%
CMYK Values
81%, 0%, 1%, 30%

Color Variations & Tints

  • #41DCDC

    Lightness: 56%

  • #2CD8D8

    Lightness: 51%

  • #24C6C6

    Lightness: 46%

  • #21B2B1

    Lightness: 41%

    Current color

  • #1C9B9B

    Lightness: 36%

  • #198686

    Lightness: 31%

  • #157070

    Lightness: 26%

Accessibility

White Text
2.6
FAIL
Black Text
8.1
PASS
WCAG AA
PASS
WCAG AAA
PASS

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #21B2B1

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #21B2B1

Discover More Colors

Explore a randomly curated selection of colors. Each refresh brings new inspiration for your palette.